Finding the Fourth Proportional to 2,828,769.24, 3,903,784.32 and 1,539,693.12
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Solution
The fourth proportional to 2,828,769.24, 3,903,784.32 and 1,539,693.12 is: 2,124,821.56
Step by Step Solution
- Step 1: Write the proportion equation
2,828,769.24 : 3,903,784.32 = 1,539,693.12 : x - Step 2: Convert to fraction form
2,828,769.24/3,903,784.32 = 1,539,693.12/x - Step 3: Cross multiply
2,828,769.24x = 3,903,784.32 × 1,539,693.12 - Step 4: Simplify right side
2,828,769.24x = 6,010,629,859,467.88 - Step 5: Solve for x
x = 6,010,629,859,467.88/2,828,769.24 - Step 6: Final answer
x = 2,124,821.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.